From an angling perspective, however, the banner year is 1940, when fertile brown trout eggs from Chile were planted in a handful of rivers and estuaries.
Thus the mottled sculpin is not a major threat to game fish though it has been found to eat trout eggs.
This, in turn, can greatly reduce the number of trout eggs which survive to hatch.
The district is located on the shore of Lake Yellowstone near the Lake Hotel The hatchery was established to provide trout eggs for use, mostly outside of Yellowstone.
Since 1918, golden trout eggs have been collected from the Cottonwood Lakes.
Yellow perch, which eat trout eggs, were particularly devastating.
Then, for three months, the managers will alternate high and low flows each day to dry spawning grounds and destroy trout eggs.
The first batch of brown trout eggs arrived from Germany in 1883.
In the Sierra Nevada, the newt will also consume trout eggs.
During a survey of north coast streams in 1927, coast cutthroat trout eggs were discovered on Lost Man Creek above the confluence with Prairie Creek.